There are lots of helpful plugins available in WordPress. If you are advanced users of wordpress you may know about this. These plugins are very helpful and user friendly. Among all the wordpress plugins there are some most important plugins which you need to use for getting benefited.
We would say about Subscribe to Comments plugins. It is very helpful to make interaction with the visitors. Suppose you have a blog and you have installed “Subscribe to Comments” plugins. For example a visitor read any articles of your blog and posts comments. If other visitors read the same article and post any comments the first visitors will receive the comments to his email if he subscribed to the WordPress Subscribed to Comments Plugins.
So certainly this is very helpful wordpress plugins. You can use this plugins to your wordpress blog. On the other hand as a reader you can subscribed to that plugins to know about the comments of others.